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    • 81. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US07851032B2
    • 2010-12-14
    • US12437212
    • 2009-05-07
    • Masayuki SaitoTeru Shimada
    • Masayuki SaitoTeru Shimada
    • C09K19/30C09K19/12C09K19/20C07C25/24C07C43/215C07C43/225
    • C09K19/3066C07C43/225C07C69/757C09K19/3068C09K19/42C09K19/46C09K2019/0407C09K2019/123C09K2019/3004C09K2019/3009C09K2019/3016C09K2019/3021Y10T428/10
    • A liquid crystal composition is provided that satisfies at least one characteristic among the characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature of a nematic phase, a small viscosity, a large optical anisotropy, a large dielectric anisotropy, a large specific resistance, a high stability to ultraviolet light and a high stability to heat, or is properly balanced regarding at least two characteristics. An AM device is provided that has a short response time, a large voltage holding ratio, a large contrast ratio, a long service life and so forth. The liquid crystal composition contains a specific compound having especially negatively large dielectric anisotropy as the first component, a specific bicyclic compound having a small viscosity as the second component, a specific compound having a high maximum temperature as the third component, a specific compound having a negatively large dielectric anisotropy, a low minimum temperature as the fourth component. The liquid crystal composition has a negative dielectric anisotropy. The liquid crystal display device contains the liquid crystal composition.
    • 提供一种液晶组合物,其满足向列相的最高上限温度,向列相的低最低温度,小粘度,大光学各向异性,大介电各向异性,大介电常数各向异性等特性中的至少一种特性 大的电阻率,对紫外线的高稳定性和高的热稳定性,或者至少两个特性适当平衡。 提供了具有短的响应时间,大的电压保持率,大的对比度,长的使用寿命等的AM装置。 液晶组合物含有作为第一成分的具有特别不利的介电各向异性特别特殊的化合物,作为第二成分的粘度小的特定二环化合物,作为第三成分的最高温度的特定化合物,具有 负极大的介电各向异性,低的最低温度作为第四组分。 液晶组合物具有负的介电各向异性。 液晶显示装置含有液晶组合物。
    • 83. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US07524540B2
    • 2009-04-28
    • US11598707
    • 2006-11-14
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • Masayuki SaitoMotoki YanaiShuichi Goto
    • C09K19/34C09K19/54
    • C09K19/3458C09K19/3483Y10T428/10
    • A liquid crystal composition having a nematic phase that includes two components, wherein the first component is at least one compound selected from the group of compounds represented by formula (1), and the second component is at least one compound selected from the group of compounds having a group represented by formula (2) as a partial structure: wherein R1 and R2 are each independently hydrogen, fluorine, alkyl having 1 to 12 carbons, alkenyl having 2 to 12 carbons or alkoxy having 1 to 12 carbons; R4 is hydrogen, alkyl having 1 to 12 carbons or alkoxy having 1 to 12 carbons; R5, R6, R7 and R8 are each independently alkyl having 1 to 12 carbons; ring A and ring B are each independently 1,4-cyclohexylene, 1,4-phenylene, 3-fluoro-1,4-phenylene or 3,5-difluoro-1,4-phenylene; Z1 and Z2 are each independently a single bond or ethylene; and n and m are each independently 0, 1 or 2, provided that the sum of n and m is 1, 2, 3 or 4.
    • 一种具有向列相的液晶组合物,其包含两种成分,其中所述第一成分为选自式(1)所示的化合物的族群中的至少一种化合物,第二成分为选自化合物组中的至少一种化合物 具有式(2)表示的基团作为部分结构:其中R 1和R 2各自独立地为氢,氟,具有1至12个碳的烷基,具有2至12个碳的烯基或具有1至12个碳的烷氧基; R4是氢,具有1至12个碳的烷基或具有1至12个碳的烷氧基; R5,R6,R7和R8各自独立地为具有1至12个碳的烷基; 环A和环B各自独立地为1,4-亚环己基,1,4-亚苯基,3-氟-1,4-亚苯基或3,5-二氟-1,4-亚苯基; Z 1和Z 2各自独立地为单键或亚乙基; n和m各自独立地为0,1或2,条件是n和m的和为1,2,3或4。
    • 84. 发明授权
    • Liquid crystal composition and liquid crystal display device
    • 液晶组成和液晶显示装置
    • US07390539B2
    • 2008-06-24
    • US11484739
    • 2006-07-12
    • Masayuki SaitoYoshitaka Tomi
    • Masayuki SaitoYoshitaka Tomi
    • C09K19/30C09K19/20C09K19/52
    • C09K19/3001C09K19/3003Y10T428/10
    • A liquid crystal composition having a negative dielectric anisotropy and containing at least one compound selected from a group of compounds represented by formula (1) as a first component, at least one compound selected from a group of compounds represented by formula (2) as a second component, at least one compound selected from a group of compounds represented by formula (3) as a third component, and at least one compound selected from a group of compounds represented by formula (4) as a fourth component: wherein the liquid crystal composition consists essentially of the first component, the second component, the third component and the fourth component and wherein R1 is alkyl or alkenyl; R2 is alkyl or alkoxy; R3 is alkyl or alkoxymethyl; R4 is alkyl; A1 is 1,4-cyclohexylene or 1,4-phenylene; A2 is 1,4-cyclohexylene, 1,4-phenylene or 2-fluoro-1,4-phenhlene; and Z1 is a single bond or —COO—.
    • 一种具有负介电各向异性且含有至少一种选自式(1)表示的化合物作为第一组分的化合物的液晶组合物,至少一种选自式(2)表示的化合物的化合物作为 第二组分,至少一种选自由式(3)表示的化合物作为第三组分的化合物,以及选自由式(4)表示的化合物的组中的至少一种化合物作为第四组分:其中液晶 组合物基本上由第一组分,第二组分,第三组分和第四组分组成,并且其中R 1是烷基或链烯基; R 2是烷基或烷氧基; R 3是烷基或烷氧基甲基; R 4是烷基; A 1是1,4-亚环己基或1,4-亚苯基; A 2 S 4是1,4-亚环己基,1,4-亚苯基或2-氟-1,4-苯基; 且Z 1是单键或-COO-。
    • 87. 发明申请
    • Wireless network control method and device, and mobile communication system
    • 无线网络控制方法和设备,以及移动通信系统
    • US20070111734A1
    • 2007-05-17
    • US11363097
    • 2006-02-28
    • Yoshihiro BeppuToru MatsukumaShigehiko HirataMasayuki SaitoToshihiro Morikawa
    • Yoshihiro BeppuToru MatsukumaShigehiko HirataMasayuki SaitoToshihiro Morikawa
    • H04Q7/20
    • H04W36/22H04W28/08H04W76/20H04W92/14
    • In a method and a device, and a mobile communication system by which a connection switchover between wireless network control devices can be performed with a connected base station being maintained in order to avoid a congestion when the congestion occurs in one of the wireless network control devices within a mobile communication network, network management information indicating congestion states of all wireless network control devices is acquired from a core network within the mobile communication network, a wireless network control device list is prepared in which a higher priority is assigned to the wireless network control devices in ascending order of congestion degree based on the network management information when a call request is received from one mobile terminal through a base station, the wireless network control device list is notified to the mobile terminal through the base station, and the mobile terminal is enabled to select one of the wireless network control devices as a connecting destination.
    • 在一种方法和装置以及移动通信系统中,通过该移动通信系统可以在维持连接的基站之间进行无线网络控制装置之间的连接切换,以便在无线网络控制装置之一发生拥塞时避免拥塞 在移动通信网络内,从移动通信网络内的核心网络获取表示所有无线网络控制装置的拥塞状态的网络管理信息,准备将更高优先级分配给无线网络控制的无线网络控制装置列表 在通过基站从一个移动终端接收到呼叫请求时,基于网络管理信息的拥塞度升序的装置,通过基站将无线网络控制装置列表通知给移动终端,移动终端 能够选择一个无线网络控制设备 作为连接目的地。